388156972 is an even 9-digits composite number following 388156971
and preceding 388156973 . In scientific notation, it is written as 3.88156972 × 10^8.
The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors.
There are 166050768 positive integers (up to 388156972) that are relatively prime to 388156972.
388156972 has 24 divisors, whose sum is 777724416
The reverse of 388156972 is 279651883
Previous prime number is 563
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-eight million one hundred fifty-six thousand nine hundred seventy-two
Scientific notation
3.88156972 × 10^8
Engineering notation
3.88156972 × 10^6
Prime Factorization
2 × 2 × 7 × 563 × 24623
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
194078486
Product of the distinct prime numbers
The prime factorization of 388156972 is 2 × 2 × 7 × 563 × 24623.
Since it has a total of 5 prime factors.
7 , 2 , 92 , 21 , 438 , 977 , 4302 , 7690 , 58063 , 36617 , 161831 , 767945 , 8756091 , 9650679 , 17137137 , 66004246 , 80412793 , 764162031 , 8046661689 , 8555817545
n×2
776313944
n×3
1164470916
n×4
1552627888
n×5
1940784860
n÷2
194078486
n÷3
129385657.33333
n÷3
97039243
n÷5
77631394.4
n2
150665834912208784
n3
5.8481994263375E+25
n4
2.2700193809793E+34
n5
8.8112384930224E+42
2 √n
19701.699723628
3 √n
729.46164849258
4 √n
140.36274336029
5 √n
52.21574493714
1 , 2 , 4 , 7 , 14 , 28 , 563 , 1126 , 2252 , 3941 , 7882 , 15764 , 24623 , 49246 , 98492 , 172361 , 344722 , 689444 , 13862749 , 27725498 , 55450996 , 97039243 , 194078486 , 388156972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388156971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388156972 can be divided by 24 positive divisors.
The sum of these divisors (counting 388156972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10111001000101100111000101100
3
Ternary
1000001101102021011
4
Quaternary
113020230320230
5
Quinary
1243332010342
6
Senary
102303315004
8
Octal
2710547054
10
Decimal
388156972
12
Duodecimal
a9baba64
16
Hexadecimal
1722ce2c
20
Vigesimal
615jc8c
36
Base36
6f3ju4
md5
5bd015e57e177f016d44e79a1c2454ef
sha1
9b5c4da1e0c767f15797c7b2a99461a131d808ab
sha256
047774f5942454002bde19f409362f36565a4a6f0de44c348f3f4dc52bbcdf94
sha512
9aa56d69f3d403ef54cd04b79c728f8586ff1099a54f5aeaab0210e61b792ab1a40dd50180cd662db27845922061137421d03db423ef6b92185bb027d667ff22
ripemd-160
4c4743d47930f9e4667512465201496b2f534a36
Diameter
776313944
Circumference
2438862183.3497
Area
4.7333068010717E+17
Volume
2.449688047268E+26
Surface area
1.8933227204287E+18
Circumference
2438862183.3497
Perimeter
1552627888
Area
150665834912208784
Diagonal
548936854.13207
Surface area
903995009473252704
Volume
5.8481994263375E+25
Space diagonal
672307596.81609
Perimeter
1164470916
Area
6.5240220258183E+16
Altitude
336153798.40805
Surface area
6.5240220258183E+16
Volume
6.8921691201575E+24
Height
182978951.37736